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Finding the Third Proportional to 238,720.50 and 324,401.63

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Solution

The third proportional to 238,720.50 and 324,401.63 is: 440,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,720.50 : 324,401.63 = 324,401.63 : x
  2. Step 2: Convert to fraction form
    238,720.50/324,401.63 = 324,401.63/x
  3. Step 3: Cross multiply
    238,720.50x = 324,401.63 × 324,401.63
  4. Step 4: Simplify right side
    238,720.50x = 105,236,414,302.64
  5. Step 5: Solve for x
    x = 105,236,414,302.64/238,720.50
  6. Step 6: Final answer
    x = 440,835.26

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.